425166799 has 8 divisors (see below), whose sum is σ = 447962112. Its totient is φ = 402730680.

The previous prime is 425166793. The next prime is 425166827. The reversal of 425166799 is 997661524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425166799 - 2¹⁷ = 425035727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425166793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87367 + ... + 92104.

It is an arithmetic number, because the mean of its divisors is an integer number (55995264).

Almost surely, 2^425166799 is an apocalyptic number.

425166799 is a deficient number, since it is larger than the sum of its proper divisors (22795313).

425166799 is a wasteful number, since it uses less digits than its factorization.

425166799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179597.

The product of its digits is 816480, while the sum is 49.

The square root of 425166799 is about 20619.5732012086. The cubic root of 425166799 is about 751.9456439652.

The spelling of 425166799 in words is "four hundred twenty-five million, one hundred sixty-six thousand, seven hundred ninety-nine".